InChI=1/C20H39N3O2/c1-17(2)16-25-14-6-11-21-20(24)22-19-9-12-23(13-10-19)15-18-7-4-3-5-8-18/h17-19H,3-16H2,1-2H3,(H2,21,22,24)/p+1/fC20H40N3O2/h21-23H/q+1 3A40002B652C4681